In this session Gianni Rosa Gallina, Microsoft MVP and R&D Senior Software Engineer in Deltatre's Innovation team, showcases a real-world experience in designing and developing custom deep learning models for detecting and classifying sport actions in videos. He gives an overview of the journey taken by Deltatre's Innovation team, jointly with Microsoft CSE engineers and data scientists, from researching and prototyping models and approaches, dataset preparation, performance optimization, up to a production-ready architecture and pipeline, for both model training and scoring.